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Different types of problems are to be tackled by West African breeders to make important improvement on the West African varieties. The most important are those that directly concern the morphology and physiology of the rice varieties. The first major change should be the reduction in height, and...


Abifarin, A.O.[Problems of rice breeding in West Africa: paper presented at the WARDA Seminar on Rice Breeding and Varietal Improvement, 15th January, 1973]Problems of rice breeding in West Africa: paper presented at the WARDA Seminar on Rice Breeding and Varietal Improvement, 15th January, 1973
Abifarin, A.O.[Problems of rice breeding in West Africa; summary and discussions: paper presented at the WARDA Seminar on Rice Breeding and Varietal Improvement, 15th January, 1973]Problems of rice breeding in West Africa; summary and discussions: paper presented at the WARDA Seminar on Rice Breeding and Varietal Improvement, 15th January, 1973

In April 1973 twelve rice cultivars were concurrently planted under upland and irrigated conditions. The ratio of grain yields under irrigation to those under upland conditions ranged from 1.16 to 6.31. Those with a high No" I adaptability ratio Here considered to have narrow adaptability. Those ...


Abifarin, A.O.[Adaptability of rice to upland and irrigated conditions: Conference Conference Proceedings of papers presented at the 15th Annual Conference of the Science Association of Nigeria 17th22nd March, 1974, Lagos]Adaptability of rice to upland and irrigated conditions: Conference Conference Proceedings of papers presented at the 15th Annual Conference of the Science Association of Nigeria 17th22nd March, 1974, Lagos

Abifarin, A.O.Virmani, S.S.[Limitations in rice improvement activites and how to improve them by team approach in Africa: paper presented at the Rice Workshop, Rokupr, Sierra Leone, September 28 October 4, 1975]Limitations in rice improvement activites and how to improve them by team approach in Africa: paper presented at the Rice Workshop, Rokupr, Sierra Leone, September 28 October 4, 1975

Abifarin, A.O.Carpenter, A.J.[Improvement of upland rice in West Africa: Conference Proceedings of the International Rice Research Conference at the International Rice Research Institute, Los Banos, Philippines, April 2225, 1974]Improvement of upland rice in West Africa: Conference Proceedings of the International Rice Research Conference at the International Rice Research Institute, Los Banos, Philippines, April 2225, 1974

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